[apparently unused yet] convert: typo on ressource -> resource
misc: set british as default civ instead of gaia
doc: add contributing.md with basic pullrequest howto
building: Arch Linux prerequisites; fixes in build procedure

Arch Linux prerequisites provide dependecies for Arch Linux and steps
to install them.

Compiler suite changed from g++ and clang++ to gnu and llvm
respectively because of these errors in configure:

configure: error: unknown compiler suite: clang++. manually specify
--c-compiler and --cpp-compiler, or use one of [llvm, gnu]

configure: error: unknown compiler suite: g++. manually specify
--c-compiler and --cpp-compiler, or use one of [llvm, gnu]

Fix path to assets. Had to use absolute value path or environment
variable with absolute value path because make was failing with this
error:

you need to specify AGE2DIR (e.g. /home/user/.wine/drive_c/age).
Makefile:37: recipe for target 'media' failed
make: *** [media] Error 1
convert: use gettempdir instead of platform-dependent "/tmp/"
Merge pull request #120 from franciscod/better-default-civilisation

misc: use british as default civ instead of gaia
Merge pull request #119 from franciscod/typo-ressource

convert: typo on ressource -> resource
Merge pull request #118 from franciscod/doc-contributing

doc: add contributing.md with basic pullrequest howto
Merge pull request #115 from qlonik/fork

building: Prereq steps for Arch and fixes for build procedure
Merge pull request #126 from franciscod/convert-crossplatform-tmp

convert: use gettempdir instead of platform-dependent "/tmp/"
nyan: fixed some small bugs in the nyanspec parser
nyan: some small bug fixes
nyan: implemented semantic analysis of nyanspec
Merge branch 'master' of github.com:SFTtech/openage
Merge branch 'nyan'

Conflicts:
	py/openage/nyan/nyan_spec_parser.py
mailmap: removed leftover email address
status: added inotify feature to status list
terrain: moved to separate subsystem folder
terrain: beautified comments and member initializers
buildsystem: configure now accepts more values for --compiler

previously, only 'gnu' and 'llvm' were accepted.

now, any of {gcc, g++, gnu, clang, clang++, llvm} can be specified.